My G1000 does not work

Hi Guys,

SO I decided to give the default G1000 a go. I have select the Cessna 172 Skyhawk (G1000).

I then follow the instructions provided in the tutorial:
[HOW-TO] Creating a basic IFR Flight Plan via G1000 then filing with ATC]([HOW-TO] Creating a basic IFR Flight Plan via G1000 then filing with ATC)

However, when at the display click the “FPL” (Flight Plan) button to open the Active Flight Plan page, I Click on the knob to activate the cursor and turn the knob clockwise or counter-clockwise no alphabet shows up. What’s going on?

In my community folder, I have the GTN750 for my Airbus H145. Thinking that might be the culprit of making the G1000 not working properly. I delete it and jump back into the sim.

Still the knob not working as mentioned in the tutorial.

Can someone help/point/guide me what is going on? I watched a bunch of G1000 video in youtube and those people does not have any issue even the VOD from MSFS2020 official Twitch Fodder and Jayne. They too have no issue using the G1000.

Any help is much appreciated.